it will be the first time for the nra to make official comment on the connecticut shooting. the group says it opted to wait out of respect for the victims' families. >>> meantime, vice president joe biden convened a task force that will review the nation's gun laws and recommend changes. the president wants concrete proposals in hand by next month. the team will also look at mental health issues, school readiness, even violent videogames. >>> and the effort to get guns off the streets is going well in oakland so far. all week, gun owners have been trading in their fire power for cash. the buy back has netted hundreds of weapons including two machine pistols turned in by teenagers. >>> in san francisco, mayor lee is proposing two new gun control laws, one that bans hollow point bullets and another that notifies law enforcement when someone buys 500 rounds or more of any type of ammunition. sf police chief greg suhr will be onset to talk about the efforts with cbs 5's phil matier, that's coming up at 6:45. >>> north korea announced today it's detaining an american citizen. the